Question: Are Pearls Formed When Sand Gets In An Oyster?
Answer: It is actually a myth that pearls are formed from a grain of sand (or other irritant) getting stuck inside an oyster. Oysters filter sand all day long. It is when a parasite enters the oyster and loosens some epithelial cells (the cells that cover the inside of the shell) so that those cells continue to multiply to form a natural pearl.
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